Key overnight events

— Three people were killed and another 22 injured in a missile strike in a suburb of Kharkiv.

— Russia struck Izium in the Kharkiv oblast: there are casualties, and residential buildings were damaged.

— Witkoff and Kushner postponed their trip to russia until Ukraine and Europe establish a unified position.

— The U.S. is threatening to block arms supplies to Ukraine over its attacks on russian oil refineries.

— A bipartisan group of U.S. senators accused Trump of violating a 2022 law banning imports of russian energy resources.

— Due to the threat of drones, airports in Kostroma, Yaroslavl, and Kaluga, as well as Sheremetyevo, Domodedovo, Vnukovo, and Zhukovsky airports in the moscow oblast, were temporarily closed in russia.